Lust Sync: Every Woman Wants Me Now - Chapter 20: Her Secret, My Weapon

A man suddenly finds himself inside the world of his favorite game, Brave Hearts, after a night of gaming...Mistaken for “Raye Alvah,” the ruffian second son of a duke, he faces hostility from strangers and is publicly disowned by the noble family!And as he pieces together his strange new reality, he realizes he’s living as a minor villain destined to be forgotten after being defeated by the protagonist!And now...“Fuck this shit, why did it happen to me?”He must adapt to survive in this world.

In the dog-eat-dog Cultivation Realm, Fang Qingyuan, a disciple of the Beast Taming Sect, holds an ancient Immortal Mansion, yet chooses a path that leaves his fellow sect members dumbfounded—When his fellow sect members are staining Secret Realms with blood to fight for heavenly materials and earthly treasures, he pilots a Profound Turtle Beast ship across rivers, making a fortune by ferrying passengers;When the prodigies of the sect face near-death experiences to subdue ferocious beasts, he uses the Immortal Mansion's spiritual spring to cultivate hallucinogenic vines, secretly monopolizing the Black Market's medicinal herb business;When the Elders are at their wits' end over the beast tides, he has long since established a Myriad Beast Pasture within his Immortal Mansion, secretly hoarding strategic resources and jacking up the prices!“All this fighting and killing is too dangerous! Lying low and making money is the eternal Heavenly Dao! Cultivation isn't about meditating and practicing techniques, it's about understanding human relationships and worldly affairs!”

Some say he is the bad apple in a basket, that he’s rotting everything around him with disgrace and corruption.

Some say he is the biggest scum of the South Zhanbu Continent, that he’s colluding with the dark sects to cheat, steal, and commit all manner of atrocities.

Some say he is the most wanted playboy. “Lock your daughters at home to keep Fang Xing away!”

To all of those people, “That’s right, I am that big rotten apple. Any problem with that?”

This brand of anti-hero is a young orphan with poor prospects and nothing more than the keepsakes of his uncles. He plots, schemes, and orchestrates all manner of villainy in his quest for power and revenge, unafraid to live precariously and make enemies out of those he really should not.

- Description from Novelupdates

Damien Julian is an 18-year-old loser, who has been bullied and mistreated his entire life, at home, he has to deal with his abusive father, and at school, he is constantly been bullied by delinquents, and to make things worse he is always looked down upon by his peers, till one day a mysterious screen appear before him as it said.

[The world has seen the lingering evil in your heart]

[Would you like to be one of the nine demon kings of this world]

[If so what are you willing to sacrifice?]

In the heat of the moment, Damien made a deal with the world, that he would give up everything he owns, or do anything it wants, and in exchange, he shall be reborn as a new Demon King, and what the world required from him as payment was.

[In exchange for power, become a slave of the world, and act as an anti-body for all eternity]

At that moment, Damien agreed, but little did Damien know, that becoming a slave to the world meant he has to be its immune system, what that entail is, that anything that threaten the world must be destroyed even if he has to wipe out humanity, to save it, or assassinate historical figures to bring fort balance or even manipulating events that can potentially end the world, to save the world, this is the story of a necessary evil, not the story of a hero who cares for others.